* {
    margin: 0;
    padding: 0;
}

.w {
    position: relative;
    width: 1200px;
    margin: 0 auto;
    background-color: #fff;
}

body {
    background-color: #eeeeee;
    font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
    padding-bottom: 72px;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
}

.active {
    color: #4a4a4a!important;
    font-weight: 700!important;
}